posthuman and transhuman. transitional humanity

Humanities

need to be answer in 450 0r 600 words

Meilaender seems to suggest that the promise of immortality made by Posthumanism and Transhumanism is taken to be possible is because according to Posthumanists there’s a very strong sense in which those movements don’t imagine persons to be living beings at all, right? That certainly seems counter-intuitive. What would lead someone to think it?